1 /* 2 * INET An implementation of the TCP/IP protocol suite for the LINUX 3 * operating system. INET is implemented using the BSD Socket 4 * interface as the means of communication with the user level. 5 * 6 * Global definitions for the Ethernet IEEE 802.3 interface. 7 * 8 * Version: @(#)if_ether.h 1.0.1a 02/08/94 9 * 10 * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 11 * Donald Becker, <becker@super.org> 12 * Alan Cox, <alan@cymru.net> 13 * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> 14 * 15 * This program is free software; you can redistribute it and/or 16 * modify it under the terms of the GNU General Public License 17 * as published by the Free Software Foundation; either version 18 * 2 of the License, or (at your option) any later version. 19 */ 20 #ifndef _LINUX_IF_ETHER_H 21 #define _LINUX_IF_ETHER_H 22 23 24 /* IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble 25 and FCS/CRC (frame check sequence). */ 26 #define ETH_ALEN 6 /* Octets in one ethernet addr */ 27 #define ETH_HLEN 14 /* Total octets in header. */ 28 #define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ 29 #define ETH_DATA_LEN 1500 /* Max. octets in payload */ 30 #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ 31 32 33 /* These are the defined Ethernet Protocol ID's. */ 34 #define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */ 35 #define ETH_P_ECHO 0x0200 /* Ethernet Echo packet */ 36 #define ETH_P_PUP 0x0400 /* Xerox PUP packet */ 37 #define ETH_P_IP 0x0800 /* Internet Protocol packet */ 38 #define ETH_P_X25 0x0805 /* CCITT X.25 */ 39 #define ETH_P_ARP 0x0806 /* Address Resolution packet */ 40 #define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */ 41 #define ETH_P_DEC 0x6000 /* DEC Assigned proto */ 42 #define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */ 43 #define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */ 44 #define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */ 45 #define ETH_P_LAT 0x6004 /* DEC LAT */ 46 #define ETH_P_DIAG 0x6005 /* DEC Diagnostics */ 47 #define ETH_P_CUST 0x6006 /* DEC Customer use */ 48 #define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */ 49 #define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ 50 #define ETH_P_ATALK 0x809B /* Appletalk DDP */ 51 #define ETH_P_AARP 0x80F3 /* Appletalk AARP */ 52 #define ETH_P_IPX 0x8137 /* IPX over DIX */ 53 #define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */ 54 #define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */ 55 #define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */ 56 #define ETH_P_802_2 0x0004 /* 802.2 frames */ 57 #define ETH_P_SNAP 0x0005 /* Internal only */ 58 #define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */ 59 60 /* This is an Ethernet frame header. */ 61 struct ethhdr { 62 unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ 63 unsigned char h_source[ETH_ALEN]; /* source ether addr */ 64 unsigned short h_proto; /* packet type ID field */ 65 }; 66 67 /* Ethernet statistics collection data. */ 68 struct enet_statistics{ 69 int rx_packets; /* total packets received */ 70 int tx_packets; /* total packets transmitted */ 71 int rx_errors; /* bad packets received */ 72 int tx_errors; /* packet transmit problems */ 73 int rx_dropped; /* no space in linux buffers */ 74 int tx_dropped; /* no space available in linux */ 75 int multicast; /* multicast packets received */ 76 int collisions; 77 78 /* detailed rx_errors: */ 79 int rx_length_errors; 80 int rx_over_errors; /* receiver ring buff overflow */ 81 int rx_crc_errors; /* recved pkt with crc error */ 82 int rx_frame_errors; /* recv'd frame alignment error */ 83 int rx_fifo_errors; /* recv'r fifo overrun */ 84 int rx_missed_errors; /* receiver missed packet */ 85 86 /* detailed tx_errors */ 87 int tx_aborted_errors; 88 int tx_carrier_errors; 89 int tx_fifo_errors; 90 int tx_heartbeat_errors; 91 int tx_window_errors; 92 }; 93 94 #endif /* _LINUX_IF_ETHER_H */